The temperature on December 20, 1915 was between -1.4 °C and 5.8 °C and averaged 2.1 °C. There was 0.7 mm of rain. There was 0.9 hours of sunshine (12%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
September 5 » The pacifist Zimmerwald Conference begins.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
Day of marriage June 13, 1942
The temperature on June 13, 1942 was between 10.6 °C and 16.9 °C and averaged 12.9 °C. There was 21.8 mm of rain during 7.8 hours. There was 6.2 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 1 » The Declaration by United Nations is signed by twenty-six nations.
March 8 » World War II: Imperial Japanese Army forces captured Rangoon, Burma from British.
March 20 » World War II: General Douglas MacArthur, at Terowie, South Australia, makes his famous speech regarding the fall of the Philippines, in which he says: "I came out of Bataan and I shall return".
July 27 » World War II: Allied forces successfully halt the final Axis advance into Egypt.
September 10 » World War II: The British Army carries out an amphibious landing on Madagascar to re-launch Allied offensive operations in the Madagascar Campaign.
December 6 » World War II in villages Stary Ciepielów and Rekówka German Genarmerie massacred 31 Poles for helping the Jews. Also, two Jewish refugees were murdered.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I320501.php : accessed February 17, 2026), "Gerardus Johannes de Groot (1915-)".
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